corpus_id stringlengths 3 9 | arxiv_id stringlengths 9 16 | date stringdate 1989-10-26 00:00:00 2024-09-30 00:00:00 | title stringlengths 4 240 | abstract stringlengths 3 3.15k | categories listlengths 1 10 | topics listlengths 0 15 ⌀ | roles listlengths 1 4 | key_references listlengths 0 10 ⌀ | authors listlengths 1 5.28k ⌀ | citation_trajectory listlengths 14 26 ⌀ |
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12981394 | 0901.2318 | 2009-01-15 | A Close Binary Star Resolved from Occultation by 87 Sylvia | The star BD+29 1748 was resolved to be a close binary from its occultation by the asteroid 87 Sylvia on 2006 December 18 UT. Four telescopes were used to observe this event at two sites separated by some 80 km apart. Two flux drops were observed at one site, whereas only one flux drop was detected at the other. From th... | [
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{
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"name": "Chi-Long Lin",
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"name": "Zhi-Wei Zhang",
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"... | null |
14068440 | 0901.2216 | 2009-01-15 | Discovering Global Patterns in Linguistic Networks through Spectral Analysis: A Case Study of the Consonant Inventories | Recent research has shown that language and the socio-cognitive phenomena associated with it can be aptly modeled and visualized through networks of linguistic entities. However, most of the existing works on linguistic networks focus only on the local properties of the networks. This study is an attempt to analyze the... | [
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"name": "Monojit Choudhury",
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7506331 | 0901.2367 | 2009-01-15 | An Implementable Scheme for Universal Lossy Compression of Discrete Markov Sources | We present a new lossy compressor for discrete sources. For coding a source sequence $x^n$, the encoder starts by assigning a certain cost to each reconstruction sequence. It then finds the reconstruction that minimizes this cost and describes it losslessly to the decoder via a universal lossless compressor. The cost o... | [
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"name": "Andrea Montanari",
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3169168 | 0901.2333 | 2009-01-15 | Q-CSMA: Queue-Length Based CSMA/CA Algorithms for Achieving Maximum Throughput and Low Delay in Wireless Networks | Recently, it has been shown that CSMA-type random access algorithms can achieve the maximum possible throughput in ad hoc wireless networks. However, these algorithms assume an idealized continuous-time CSMA protocol where collisions can never occur. In addition, simulation results indicate that the delay performance o... | [
"cs.NI",
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410297 | 0901.2204 | 2009-01-15 | Finite-Length Analysis of Irregular Expurgated LDPC Codes under Finite Number of Iterations | Communication over the binary erasure channel (BEC) using low-density parity-check (LDPC) codes and belief propagation (BP) decoding is considered. The average bit error probability of an irregular LDPC code ensemble after a fixed number of iterations converges to a limit, which is calculated via density evolution, as ... | [
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"name": "Ryuhei Mori",
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371676 | 0901.2234 | 2009-01-15 | Sparse Causal Discovery in Multivariate Time Series | Our goal is to estimate causal interactions in multivariate time series. Using vector autoregressive (VAR) models, these can be defined based on non-vanishing coefficients belonging to respective time-lagged instances. As in most cases a parsimonious causality structure is assumed, a promising approach to causal discov... | [
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"stat.ML"
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21227351 | 0901.2232 | 2009-01-15 | Two-photon speckle as a probe of multi-dimensional entanglement | We calculate the statistical distribution P_2(I_2) of the speckle pattern produced by a photon pair current I_2 transmitted through a random medium, and compare with the single-photon speckle distribution P_1(I_1). We show that the purity Tr rho^2 of a two-photon density matrix rho can be directly extracted from the fi... | [
"quant-ph",
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18109161 | 0901.2586 | 2009-01-16 | Information geometries and Microeconomic Theories | More than thirty years ago, Charnes, Cooper and Schinnar (1976) established an enlightening contact between economic production functions (EPFs) -- a cornerstone of neoclassical economics -- and information theory, showing how a generalization of the Cobb-Douglas production function encodes homogeneous functions. As ex... | [
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"name": "Brice Magdalou",
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... | null |
14080506 | 0901.2606 | 2009-01-16 | Capacity Bounds of Half-Duplex Gaussian Cooperative Interference Channel | In this paper, we investigate the half-duplex cooperative communication scheme of a two user Gaussian interference channel. We develop achievable region and outer bound for the case when the system allow either transmitter or receiver cooperation. We show that by using our transmitter cooperation scheme, there is signi... | [
"cs.IT",
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13915189 | 0901.2503 | 2009-01-16 | Linear Processes for Functional Data | Linear processes on functional spaces were born about fifteen years ago. And this original topic went through the same fast development as the other areas of functional data modeling such as PCA or regression. They aim at generalizing to random curves the classical ARMA models widely known in time series analysis. They... | [
"math.ST",
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10408194 | 0901.2573 | 2009-01-16 | The generalised Lomb-Scargle periodogram. A new formalism for the floating-mean and Keplerian periodograms | The Lomb-Scargle periodogram is a common tool in the frequency analysis of unequally spaced data equivalent to least-squares fitting of sine waves. We give an analytic solution for the generalisation to a full sine wave fit, including an offset and weights ($\chi^{2}$ fitting). Compared to the Lomb-Scargle periodogram,... | [
"astro-ph.IM"
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119274737 | 0901.2509 | 2009-01-16 | High-Dispersion Spectroscopic Study of Solar Twins: HIP 56948, HIP 79672, and HIP 100963 | An intensive spectroscopic study was performed for three representative solar twins (HIP 56948, HIP 79672, and HIP 100963) as well as for the Sun (Moon; reference standard), with an intention of (1) quantitatively discussing the relative-to-Sun similarities based on the precisely established differential parameters and... | [
"astro-ph.SR"
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] | null | null | null |
10057657 | 0901.2588 | 2009-01-16 | The MIMO Wireless Switch: Relaying Can Increase the Multiplexing Gain | This paper considers an interference network composed of K half-duplex single-antenna pairs of users who wish to establish bi-directional communication with the aid of a multi-input-multi-output (MIMO) half-duplex relay node. This channel is referred to as the "MIMO Wireless Switch" since, for the sake of simplicity, o... | [
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"author_id": "y mohasseb_1",
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"author_id": "h ghozlan_0",
"name": "Hassan Ghozlan",
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35147091 | 0901.2587 | 2009-01-16 | The WiggleZ Dark Energy Survey: small-scale clustering of Lyman Break Galaxies at z < 1 | The WiggleZ Dark Energy Survey is a large-scale structure survey of intermediate-redshift UV-selected emission-line galaxies scheduled to cover 1000 sq deg, spanning a broad redshift range 0.2 < z < 1.0. The main scientific goal of the survey is the measurement of baryon acoustic oscillations (BAO) in the galaxy cluste... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12536956 | 0901.2538 | 2009-01-16 | Capacity Scaling of SDMA in Wireless Ad Hoc Networks | We consider an ad hoc network in which each multi-antenna transmitter sends independent streams to multiple receivers in a Poisson field of interferers. We provide the outage probability and transmission capacity scaling laws, aiming at investigating the fundamental limits of Space Division Multiple Access (SDMA). We f... | [
"cs.IT",
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{
"author_id": "m kountouris_2",
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"author_id": "j andrews_7",
"name": "Jeffrey [\"G.\"] Andrews",
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15105793 | 0901.2453 | 2009-01-16 | State-dependent Foster-Lyapunov criteria for subgeometric convergence of Markov chains | We consider a form of state-dependent drift condition for a general Markov chain, whereby the chain subsampled at some deterministic time satisfies a geometric Foster-Lyapunov condition. We present sufficient criteria for such a drift condition to exist, and use these to partially answer a question posed by Connor & Ke... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
719957 | 0901.2408 | 2009-01-16 | Synchronization on the circle | The goal of the present paper is to highlight the fundamental differences of so-called synchronization or consensus algorithms when the agents to synchronize evolve on a compact homogeneous manifold (like the circle, sphere or the group of rotation matrices), instead of a vector space. For the benefit of understanding,... | [
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1993244 | 0901.2401 | 2009-01-16 | MIMO Broadcast Channel Optimization under General Linear Constraints | The optimization of the transmit parameters (power allocation and steering vectors) for the MIMO BC under general linear constraints is treated under the optimal DPC coding strategy and the simple suboptimal linear zero-forcing beamforming strategy. In the case of DPC, we show that "SINR duality" and "min-max duality" ... | [
"cs.IT",
"math.IT"
] | null | [
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] | null | null | null |
5847576 | 0901.2665 | 2009-01-17 | A Density Matrix-based Algorithm for Solving Eigenvalue Problems | A new numerical algorithm for solving the symmetric eigenvalue problem is presented. The technique deviates fundamentally from the traditional Krylov subspace iteration based techniques (Arnoldi and Lanczos algorithms) or other Davidson-Jacobi techniques, and takes its inspiration from the contour integration and densi... | [
"cs.CE",
"cs.MS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12338781 | 0901.2605 | 2009-01-17 | Iterative thresholding meets free discontinuity problems | Free-discontinuity problems describe situations where the solution of interest is defined by a function and a lower dimensional set consisting of the discontinuities of the function. Hence, the derivative of the solution is assumed to be a `small' function almost everywhere except on sets where it concentrates as a sin... | [
"math.NA",
"math.FA",
"math.OC"
] | null | [
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] | null | null | null |
8545771 | 0901.2668 | 2009-01-18 | Identifying Activity | Identification of active constraints in constrained optimization is of interest from both practical and theoretical viewpoints, as it holds the promise of reducing an inequality-constrained problem to an equality-constrained problem, in a neighborhood of a solution. We study this issue in the more general setting of co... | [
"math.OC",
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14114329 | 0901.2698 | 2009-01-18 | On integral probability metrics, \phi-divergences and binary classification | A class of distance measures on probabilities -- the integral probability metrics (IPMs) -- is addressed: these include the Wasserstein distance, Dudley metric, and Maximum Mean Discrepancy. IPMs have thus far mostly been used in more abstract settings, for instance as theoretical tools in mass transportation problems,... | [
"cs.IT",
"math.IT"
] | null | [
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{
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{
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"name": "Bharath [\"K.\"] Sriperumbudur",
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{
"author_id": "k fukumizu_1",
"name": "Kenji Fukumizu",
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... | null |
16373173 | 0901.2702 | 2009-01-18 | VFISV: Very Fast Inversion of the Stokes Vector for the Helioseismic and Magnetic Imager | In this paper we describe in detail the implementation and main properties of a new inversion code for the polarized radiative transfer equation (VFISV: Very Fast inversion of the Stokes vector). VFISV will routinely analyze pipeline data from the Helioseismic and Magnetic Imager (HMI) on-board of the Solar Dynamics Ob... | [
"astro-ph.IM",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
520050 | 0901.2730 | 2009-01-18 | Maximum Entropy Discrimination Markov Networks | In this paper, we present a novel and general framework called {\it Maximum Entropy Discrimination Markov Networks} (MaxEnDNet), which integrates the max-margin structured learning and Bayesian-style estimation and combines and extends their merits. Major innovations of this model include: 1) It generalizes the extant ... | [
"stat.ML",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
661993 | 0901.2742 | 2009-01-18 | Sample-Align-D: A High Performance Multiple Sequence Alignment System using Phylogenetic Sampling and Domain Decomposition | Multiple Sequence Alignment (MSA) is one of the most computationally intensive tasks in Computational Biology. Existing best known solutions for multiple sequence alignment take several hours (in some cases days) of computation time to align, for example, 2000 homologous sequences of average length 300. Inspired by the... | [
"cs.DC",
"q-bio.GN",
"q-bio.QM"
] | null | [
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] | null | null | null |
265039384 | 0901.2912 | 2009-01-19 | Weighted $\ell_1$ Minimization for Sparse Recovery with Prior Information | In this paper we study the compressed sensing problem of recovering a sparse signal from a system of underdetermined linear equations when we have prior information about the probability of each entry of the unknown signal being nonzero. In particular, we focus on a model where the entries of the unknown vector fall in... | [
"cs.IT",
"math.IT"
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{
"author_id": "m khajehnejad_1",
"name": "M. [\"Amin\"] Khajehnejad",
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{
"author_id": "w xu_79",
"name": "Weiyu Xu",
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14443399 | 0901.2930 | 2009-01-19 | The Kiloparsec-Scale Kinematics of High-Redshift Star-Forming Galaxies | We present the results of a spectroscopic survey of the kinematic structure of star-forming galaxies at redshift z ~ 2 - 3 using Keck/OSIRIS integral field spectroscopy. Our sample is comprised of 12 galaxies between redshifts z ~ 2.0 and 2.5 and one galaxy at z ~ 3.3 which are well detected in either HAlpha or [O III]... | [
"astro-ph.GA",
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9861218 | 0901.2753 | 2009-01-19 | Multiple Sequence Alignment System for Pyrosequencing Reads | Pyrosequencing is among the emerging sequencing techniques, capable of generating upto 100,000 overlapping reads in a single run. This technique is much faster and cheaper than the existing state of the art sequencing technique such as Sanger. However, the reads generated by pyrosequencing are short in size and contain... | [
"q-bio.GN"
] | null | [
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{
"corpus_id": "661993",
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"author_id": "f saeed_1",
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"name": "Ashfaq [\"A.\"] Khokhar",
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18927486 | 0901.2950 | 2009-01-19 | The Physics of Crystallization from Globular Cluster White Dwarf Stars in NGC 6397 | We explore the physics of crystallization in the deep interiors of white dwarf stars using the color-magnitude diagram and luminosity function constructed from proper motion cleaned Hubble Space Telescope photometry of the globular cluster NGC 6397. We demonstrate that the data are consistent with the theory of crystal... | [
"astro-ph.SR"
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{
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{
"author_id": "d winget_1",
"name": "Don [\"E.\"] Winget",
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"author_id": "s kepler_1",
"name": "S. [\"O.\"] Kepler",
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1373964 | 0901.2616 | 2009-01-19 | On the Delay Limited Secrecy Capacity of Fading Channels | In this paper, the delay limited secrecy capacity of the flat fading channel is investigated under two different assumptions on the available transmitter channel state information (CSI). The first scenario assumes perfect prior knowledge of both the main and eavesdropper channel gains. Here, upper and lower bounds on t... | [
"cs.IT",
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{
"corpus_id": "3264079",
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{
"author_id": "k khalil_2",
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{
"author_id": "m youssef_1",
"name": "Moustafa [\"A.\"] Youssef",
"publication_history": null,
"h_index": null,
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16267156 | 0901.2572 | 2009-01-19 | Optimal limits on f_{NL}^{local} from WMAP 5-year data | We have applied the optimal estimator for f_{NL}^{local} to the 5 year WMAP data. Marginalizing over the amplitude of foreground templates we get -4 < f_{NL}^{local} < 80 at 95% CL. Error bars of previous (sub-optimal) analyses are roughly 40% larger than these. The probability that a Gaussian simulation, analyzed usin... | [
"astro-ph.CO"
] | null | [
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14860242 | 0901.3059 | 2009-01-20 | Heterotic Z6-II MSSM Orbifolds in Blowup | Heterotic orbifolds provide promising constructions of MSSM-like models in string theory. We investigate the connection of such orbifold models with smooth Calabi-Yau compactifications by examining resolutions of the T^6/Z6-II orbifold (which are far from unique) with Abelian gauge fluxes. These gauge backgrounds are t... | [
"hep-th"
] | null | [
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{
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{
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{
"author_id": "s nibbelink_1",
"name": "Stefan [\"Groot\"] Nibbelink",
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{
"author_id": "j held_1",
"name": "Johannes Held",
"publication_history": null,
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14527560 | 0901.3079 | 2009-01-20 | Covariance regularization by thresholding | This paper considers regularizing a covariance matrix of $p$ variables estimated from $n$ observations, by hard thresholding. We show that the thresholded estimate is consistent in the operator norm as long as the true covariance matrix is sparse in a suitable sense, the variables are Gaussian or sub-Gaussian, and $(\l... | [
"math.ST",
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] | null | [
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] | null | null | null |
30944857 | 0901.2986 | 2009-01-20 | On the reliability of computed chaotic solutions of nonlinear differential equations | In this paper a new concept, namely the critical predictable time $T_c$, is introduced to give a more precise description of computed chaotic solutions of nonlinear differential equations: it is suggested that computed chaotic solutions are unreliable and doubtable when $ t > T_c$. This provides us a strategy to detect... | [
"nlin.CD"
] | null | [
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] | null | null | null |
118380689 | 0901.2975 | 2009-01-20 | Quantum teleportation scheme by selecting one of multiple output ports | The scheme of quantum teleportation, where Bob has multiple (N) output ports and obtains the teleported state by simply selecting one of the N ports, is thoroughly studied. We consider both deterministic version and probabilistic version of the teleportation scheme aiming to teleport an unknown state of a qubit. Moreov... | [
"quant-ph"
] | null | [
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] | null | null | null |
8212417 | 0901.3130 | 2009-01-20 | Secure Communication in the Low-SNR Regime: A Characterization of the Energy-Secrecy Tradeoff | Secrecy capacity of a multiple-antenna wiretap channel is studied in the low signal-to-noise ratio (SNR) regime. Expressions for the first and second derivatives of the secrecy capacity with respect to SNR at SNR = 0 are derived. Transmission strategies required to achieve these derivatives are identified. In particula... | [
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{
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{
"author_id": "m gursoy_2",
"name": "Mustafa [\"Cenk\"] Gursoy",
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}
] | null |
13916913 | 0901.3197 | 2009-01-20 | A Low Density Lattice Decoder via Non-Parametric Belief Propagation | The recent work of Sommer, Feder and Shalvi presented a new family of codes called low density lattice codes (LDLC) that can be decoded efficiently and approach the capacity of the AWGN channel. A linear time iterative decoding scheme which is based on a message-passing formulation on a factor graph is given. In the cu... | [
"cs.IT",
"math.IT"
] | null | [
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] | [
{
"corpus_id": "58977",
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] | [
{
"author_id": "d bickson_1",
"name": "Danny Bickson",
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{
"author_id": "a ihler_1",
"name": "Alexander [\"T.\"] Ihler",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
16471537 | 0901.3156 | 2009-01-20 | Conservative solutions to the black hole information problem | We review the different options for resolution of the black hole loss of information problem. We classify them first into radical options, which require a quantum theory of gravity which has large deviations from semi-classical physics on macroscopic scales, such as non-locality or endowing horizons with special proper... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16924136 | 0901.3134 | 2009-01-20 | Energy Efficiency of Fixed-Rate Wireless Transmissions under Queueing Constraints and Channel Uncertainty | Energy efficiency of fixed-rate transmissions is studied in the presence of queueing constraints and channel uncertainty. It is assumed that neither the transmitter nor the receiver has channel side information prior to transmission. The channel coefficients are estimated at the receiver via minimum mean-square-error (... | [
"cs.IT",
"math.IT"
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{
"author_id": "d qiao_4",
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{
"author_id": "m gursoy_2",
"name": "Mustafa [\"Cenk\"] Gursoy",
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2986496 | 0901.2962 | 2009-01-20 | The Benefit of Group Sparsity | This paper develops a theory for group Lasso using a concept called strong group sparsity. Our result shows that group Lasso is superior to standard Lasso for strongly group-sparse signals. This provides a convincing theoretical justification for using group sparse regularization when the underlying group structure is ... | [
"stat.ML",
"math.ST",
"stat.TH"
] | null | [
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] | null | null | null |
53504 | 0901.3150 | 2009-01-20 | Matrix Completion from a Few Entries | Let M be a random (alpha n) x n matrix of rank r<<n, and assume that a uniformly random subset E of its entries is observed. We describe an efficient algorithm that reconstructs M from |E| = O(rn) observed entries with relative root mean square error RMSE <= C(rn/|E|)^0.5 . Further, if r=O(1), M can be reconstructed ex... | [
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] | null | [
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{
"author_id": "r keshavan_1",
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{
"author_id": "a montanari_2",
"name": "Andrea Montanari",
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... | null |
9192681 | 0901.3106 | 2009-01-20 | Structural Relations of Harmonic Sums and Mellin Transforms up to Weight w = 5 | We derive the structural relations between the Mellin transforms of weighted Nielsen integrals emerging in the calculation of massless or massive single--scale quantities in QED and QCD, such as anomalous dimensions and Wilson coefficients, and other hard scattering cross sections depending on a single scale. The set o... | [
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"math.AG",
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] | null | [
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] | null | null | null |
2273926 | 0901.3132 | 2009-01-20 | Low-SNR Analysis of Interference Channels under Secrecy Constraints | In this paper, we study the secrecy rates over weak Gaussian interference channels for different transmission schemes. We focus on the low-SNR regime and obtain the minimum bit energy E_b/N_0_min values, and the wideband slope regions for both TDMA and multiplexed transmission schemes. We show that secrecy constraints ... | [
"cs.IT",
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] | null | [
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{
"author_id": "j zhang_255",
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"name": "Mustafa [\"Cenk\"] Gursoy",
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13884479 | 0901.3038 | 2009-01-20 | Trading classical communication, quantum communication, and entanglement in quantum Shannon theory | We give trade-offs between classical communication, quantum communication, and entanglement for processing information in the Shannon-theoretic setting. We first prove a unit-resource capacity theorem that applies to the scenario where only the above three noiseless resources are available for consumption or generation... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55566785 | 0901.3321 | 2009-01-21 | Spectrophotometrically Identified stars in the PEARS-N and PEARS-S fields | Deep ACS slitless grism observations and identification of stellar sources are presented within the Great Observatories Origins Deep Survey (GOODS) North and South fields which were obtained in the Probing Evolution And Reionization Spectroscopically (PEARS) program. It is demonstrated that even low resolution spectra ... | [
"astro-ph.GA"
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{
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... | [
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"name": "Norbert Pirzkal",
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14173162 | 0901.3245 | 2009-01-21 | Finite sample approximation results for principal component analysis: a matrix perturbation approach | Principal component analysis (PCA) is a standard tool for dimensional reduction of a set of $n$ observations (samples), each with $p$ variables. In this paper, using a matrix perturbation approach, we study the nonasymptotic relation between the eigenvalues and eigenvectors of PCA computed on a finite sample of size $n... | [
"math.ST",
"stat.TH"
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] | null |
15040037 | 0901.3372 | 2009-01-21 | Cosmic evolution of radio selected active galactic nuclei in the COSMOS field | We explore the cosmic evolution of radio AGN with low radio powers (L_1.4GHz < 5\times10^25 W/Hz) out to z=1.3 using to-date the largest sample of ~600 low luminosity radio AGN at intermediate redshift drawn from the VLA-COSMOS survey. We derive the radio luminosity function for these AGN, and its evolution with cosmic... | [
"astro-ph.CO",
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5547185 | 0901.3348 | 2009-01-21 | Nuclear norm minimization for the planted clique and biclique problems | We consider the problems of finding a maximum clique in a graph and finding a maximum-edge biclique in a bipartite graph. Both problems are NP-hard. We write both problems as matrix-rank minimization and then relax them using the nuclear norm. This technique, which may be regarded as a generalization of compressive sen... | [
"cs.DS",
"cs.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8008469 | 0901.3329 | 2009-01-21 | Event Discovery in Time Series | The discovery of events in time series can have important implications, such as identifying microlensing events in astronomical surveys, or changes in a patient's electrocardiogram. Current methods for identifying events require a sliding window of a fixed size, which is not ideal for all applications and could overloo... | [
"astro-ph.IM",
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{
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{
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"name": "Pavlos Protopapas",
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24473798 | 0901.3522 | 2009-01-22 | Improved Measurement of $B^+\to\rho^+\rho^0$ and Determination of the Quark-Mixing Phase Angle $\alpha$ | We present improved measurements of the branching fraction ${\cal B}$, the longitudinal polarization fraction $f_L$, and the direct {\ensuremath{CP}\xspace} asymmetry {\ensuremath{{\cal A}_{CP}}\xspace} in the $B$ meson decay channel $B^+\to\rho^+\rho^0$. The data sample was collected with the {{\slshape B\kern-0.1em{\... | [
"hep-ex"
] | null | [
"target.author.publication_history"
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{
"author_id": "b aubert_1",
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{
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"name": "Yannis Karyotakis",
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17469240 | 0901.3611 | 2009-01-22 | Safe Carrier Sensing Range in CSMA Network under Physical Interference Model | In this paper, we study the setting of carrier-sensing range in 802.11 networks under the (cumulative) physical interference model. Specifically, we identify a carrier-sensing range that will prevent collisions in 802.11 networks due to carrier-sensing failure under the physical interference model. We find that the car... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l fu_1",
"name": "Liqun Fu",
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{
"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
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"... | null |
17831965 | 0901.3580 | 2009-01-22 | Feedback Capacity of the Gaussian Interference Channel to Within 1.7075 Bits: the Symmetric Case | We characterize the symmetric capacity to within 1.7075 bits/s/Hz for the two-user Gaussian interference channel with feedback. The result makes use of a deterministic model to provide insights into the Gaussian channel. We derive a new outer bound to show that a proposed achievable scheme can achieve the symmetric cap... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117009587 | 0901.3443 | 2009-01-22 | Solar neutrino detection | More than 40 years ago, neutrinos where conceived as a way to test the validity of the solar models which tell us that stars are powered by nuclear fusion reactions. The first measurement of the neutrino flux, in 1968 in the Homestake mine in South Dakota, detected only one third of the expected value, originating what... | [
"hep-ex"
] | null | [
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] | [] | [
{
"author_id": "l miramonti_1",
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}
] | null |
272685080 | 0901.3403 | 2009-01-22 | Distributed Compressive Sensing | Compressive sensing is a signal acquisition framework based on the revelation that a small collection of linear projections of a sparse signal contains enough information for stable recovery. In this paper we introduce a new theory for distributed compressive sensing (DCS) that enables new distributed coding algorithms... | [
"cs.IT",
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] | null | [
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{
"author_id": "d baron_1",
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"name": "Marco [\"F.\"] Duarte",
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14663904 | 0901.3590 | 2009-01-22 | On the Dual Formulation of Boosting Algorithms | We study boosting algorithms from a new perspective. We show that the Lagrange dual problems of AdaBoost, LogitBoost and soft-margin LPBoost with generalized hinge loss are all entropy maximization problems. By looking at the dual problems of these boosting algorithms, we show that the success of boosting algorithms ca... | [
"cs.LG",
"cs.CV"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14224562 | 0901.3783 | 2009-01-23 | Cosmic star-formation history from a non-parametric inversion of infrared galaxy counts | [Abridged] This paper aims at providing new conservative constraints to the cosmic star-formation history from the empirical modeling of mid- and far-infrared data. We perform a non-parametric inversion of galaxy counts at 15, 24, 70, 160, and 850 microns simultaneously. It is a "blind" search (no redshift information ... | [
"astro-ph.CO",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6297890 | 0901.3751 | 2009-01-23 | Sorting improves word-aligned bitmap indexes | Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, we use techniques based on run-length encoding (RLE), such as Word-Aligned Hybrid (WAH) compression. These techniques are sensitive to the order of the rows: a simple lexi... | [
"cs.DB"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10958191 | 0901.3583 | 2009-01-23 | Discontinuous Dynamical Systems: A tutorial on solutions, nonsmooth analysis, and stability | This paper considers discontinuous dynamical systems, i.e., systems whose associated vector field is a discontinuous function of the state. Discontinuous dynamical systems arise in a large number of applications, including optimal control, nonsmooth mechanics, and robotic manipulation. Independently of the particular a... | [
"math.DS",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
560357 | 0901.3754 | 2009-01-23 | Bid Optimization in Broad-Match Ad auctions | Ad auctions in sponsored search support ``broad match'' that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving more expressiveness to advertisers, this feature makes it challenging to optimize bids to maximize their returns: choosing to bid on a query as a bro... | [
"cs.GT",
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] | null | [
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{
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16083163 | 0901.3680 | 2009-01-23 | Acoustic wave propagation in the solar sub-photosphere with localised magnetic field concentration: effect of magnetic tension | Aims. In this paper we analyse numerically the propagation and dispersion of acoustic waves in the solar-like sub-photosphere with localised non-uniform magnetic field concentrations, mimicking sunspots with various representative magnetic field configurations. Methods. Numerical simulations of wave propagation through... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6072611 | 0901.3697 | 2009-01-23 | Logconcave Random Graphs | We propose the following model of a random graph on n vertices. Let F be a distribution in R_+^{n(n-1)/2} with a coordinate for every pair i$ with 1 \le i,j \le n. Then G_{F,p} is the distribution on graphs with n vertices obtained by picking a random point X from F and defining a graph on n vertices whose edges are pa... | [
"math.CO",
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] | null | [
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{
"author_id": "a frieze_1",
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{
"author_id": "s vempala_1",
"name": "Santosh [\"S.\"] Vempala",
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9625965 | 0901.3670 | 2009-01-23 | Interpolating fields of carbon monoxide data using a hybrid statistical-physical model | Atmospheric Carbon Monoxide (CO) provides a window on the chemistry of the atmosphere since it is one of few chemical constituents that can be remotely sensed, and it can be used to determine budgets of other greenhouse gases such as ozone and OH radicals. Remote sensing platforms in geostationary Earth orbit will soon... | [
"stat.AP"
] | null | [
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] | [] | [
{
"author_id": "a malmberg_0",
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"author_id": "a arellano_0",
"name": "Avelino [\"F.\"] Arellano",
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14502487 | 0901.3752 | 2009-01-23 | The vector meson mass in the large N limit of QCD | The vector meson mass is computed as a function of quark mass in the large N limit of QCD. We use continuum reduction and directly compute the vector meson propagator in momentum space. Quark momentum is inserted using the quenched momentum prescription. | [
"hep-lat",
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15429450 | 0901.3750 | 2009-01-23 | The XMM-Newton long look of NGC 1365: lack of a high/soft state in its ultraluminous X-ray sources | Based on our long (~ 300 ks) 2007 XMM-Newton observation of the Seyfert galaxy NGC 1365, we report here on the spectral and timing behaviour of two ultraluminous X-ray sources, which had previously reached isotropic X-ray luminosities L_X ~ 4 x 10^{40} erg/s (0.3-10 keV band). In 2007, they were in a lower state (L_X ~... | [
"astro-ph.HE"
] | null | [
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"author_id": "g risaliti_1",
"name": "Guido Risaliti",
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... | null |
1675439 | 0901.3792 | 2009-01-24 | Multi-scale cluster lens mass mapping I. Strong Lensing modelling | We propose a novel technique to refine the modelling of galaxy clusters mass distribution using gravitational lensing. The idea is to combine the strengths of both "parametric" and "non-parametric" methods to improve the quality of the fit. We develop a multi-scale model that allows sharper contrast in regions of highe... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7672982 | 0901.3939 | 2009-01-25 | Effectively Searching Maps in Web Documents | Maps are an important source of information in archaeology and other sciences. Users want to search for historical maps to determine recorded history of the political geography of regions at different eras, to find out where exactly archaeological artifacts were discovered, etc. Currently, they have to use a generic se... | [
"cs.DL",
"cs.IR"
] | null | [
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{
"author_id": "q tan_19",
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{
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"name": "Prasenjit Mitra",
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"... | null |
7194439 | 0901.3948 | 2009-01-25 | OFDM Channel Estimation Based on Adaptive Thresholding for Sparse Signal Detection | Wireless OFDM channels can be approximated by a time varying filter with sparse time domain taps. Recent achievements in sparse signal processing such as compressed sensing have facilitated the use of sparsity in estimation, which improves the performance significantly. The problem of these sparse-based methods is the ... | [
"cs.IT",
"math.IT"
] | null | [
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] | [
{
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{
"author_id": "m soltanolkotabi_1",
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{
"author_id": "a amini_3",
"name": "Arash [\"A.\"] Amini",
"publication_history": null,
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"n... | null |
7822772 | 0901.3924 | 2009-01-25 | Area-Universal Rectangular Layouts | A rectangular layout is a partition of a rectangle into a finite set of interior-disjoint rectangles. Rectangular layouts appear in various applications: as rectangular cartograms in cartography, as floorplans in building architecture and VLSI design, and as graph drawings. Often areas are associated with the rectangle... | [
"cs.CG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7187509 | 0901.4113 | 2009-01-26 | Beneficial effects of intercellular interactions between pancreatic islet cells in blood glucose regulation | Glucose homeostasis is controlled by the islets of Langerhans which are equipped with alpha-cells increasing the blood glucose level, beta-cells decreasing it, and delta-cells the precise role of which still needs identifying. Although intercellular communications between these endocrine cells have recently been observ... | [
"q-bio.TO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j jo_6",
"name": "Junghyo Jo",
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{
"author_id": "m choi_16",
"name": "Moo [\"Young\"] Choi",
"publication_history": null,
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... | null |
5582930 | 0901.3988 | 2009-01-26 | New multicategory boosting algorithms based on multicategory Fisher-consistent losses | Fisher-consistent loss functions play a fundamental role in the construction of successful binary margin-based classifiers. In this paper we establish the Fisher-consistency condition for multicategory classification problems. Our approach uses the margin vector concept which can be regarded as a multicategory generali... | [
"stat.AP"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
17003908 | 0901.4088 | 2009-01-26 | Black holes and the quark-gluon plasma | I discuss the possibility that the quark-gluon plasma at strong coupling admits a description in terms of a black hole in asymptotically anti-de Sitter space. | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [
{
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{
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] | [
{
"author_id": "g siopsis_1",
"name": "George Siopsis",
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}
] | null |
1592811 | 0901.4011 | 2009-01-26 | A weakly informative default prior distribution for logistic and other regression models | We propose a new prior distribution for classical (nonhierarchical) logistic regression models, constructed by first scaling all nonbinary variables to have mean 0 and standard deviation 0.5, and then placing independent Student-$t$ prior distributions on the coefficients. As a default choice, we recommend the Cauchy d... | [
"stat.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8430490 | 0901.3980 | 2009-01-26 | Nonstationary covariance models for global data | With the widespread availability of satellite-based instruments, many geophysical processes are measured on a global scale and they often show strong nonstationarity in the covariance structure. In this paper we present a flexible class of parametric covariance models that can capture the nonstationarity in global data... | [
"stat.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6276077 | 0901.4129 | 2009-01-26 | Quasi-Cyclic LDPC Codes: Influence of Proto- and Tanner-Graph Structure on Minimum Hamming Distance Upper Bounds | Quasi-cyclic (QC) low-density parity-check (LDPC) codes are an important instance of proto-graph-based LDPC codes. In this paper we present upper bounds on the minimum Hamming distance of QC LDPC codes and study how these upper bounds depend on graph structure parameters (like variable degrees, check node degrees, girt... | [
"cs.IT",
"cs.DM",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
28634149 | 0901.4070 | 2009-01-26 | Non-locality distillation and post-quantum theories with trivial communication complexity | We first present a protocol for deterministically distilling non-locality, building upon a recent result of Forster et al. [Phys. Rev. Lett. 102, 120401 (2009)]. Our protocol, which is optimal for two-copy distillation, works efficiently for a specific class of post-quantum non-local boxes, which we term correlated non... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10196562 | 0901.4003 | 2009-01-26 | Affine Diffusion Processes: Theory and Applications | We revisit affine diffusion processes on general and on the canonical state space in particular. A detailed study of theoretic and applied aspects of this class of Markov processes is given. In particular, we derive admissibility conditions and provide a full proof of existence and uniqueness through stochastic invaria... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17540945 | 0901.4039 | 2009-01-26 | State Cycles, Quasipositive Modification, and Constructing H-thick Knots in Khovanov Homology | We study Khovanov homology classes which have state cycle representatives, and examine how they interact with Jacobsson homomorphisms and Lee's map $\Phi$. As an application, we describe a general procedure, quasipositive modification, for constructing H-thick knots in rational Khovanov homology. Moreover, we show that... | [
"math.GT"
] | null | [
"target.author.publication_history",
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] | [
{
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{
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] | [
{
"author_id": "a elliott_2",
"name": "Andrew Elliott",
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"h_index": null,
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}
] | null |
15012296 | 0901.4012 | 2009-01-26 | Cross-situational and supervised learning in the emergence of communication | Scenarios for the emergence or bootstrap of a lexicon involve the repeated interaction between at least two agents who must reach a consensus on how to name N objects using H words. Here we consider minimal models of two types of learning algorithms: cross-situational learning, in which the individuals determine the me... | [
"cs.LG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j fontanari_0",
"name": "José [\"Fernando\"] Fontanari",
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},
{
"author_id": "a cangelosi_1",
"name": "Angelo Cangelosi",
"publication_history": null,
"h_index": null,
... | null |
18979397 | 0901.4015 | 2009-01-26 | The Nordic Optical Telescope | An overview of the Nordic Optical Telescope (NOT) is presented. Emphasis is on current capabilities of direct interest to the scientific user community, including instruments. Educational services and prospects and strategies for the future are discussed briefly as well. | [
"astro-ph.IM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14122432 | 0901.4220 | 2009-01-27 | Discretization-invariant Bayesian inversion and Besov space priors | Bayesian solution of an inverse problem for indirect measurement $M = AU + {\mathcal{E}}$ is considered, where $U$ is a function on a domain of $R^d$. Here $A$ is a smoothing linear operator and $ {\mathcal{E}}$ is Gaussian white noise. The data is a realization $m_k$ of the random variable $M_k = P_kA U+P_k {\mathcal{... | [
"math.PR",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
19736094 | 0901.4334 | 2009-01-27 | Small Angular Scale Measurements of the CMB Temperature Power Spectrum from QUaD | We present measurements of the cosmic microwave background (CMB) radiation temperature anisotropy in the multipole range 2000<ell<3000 from the QUaD telescope's second and third observing seasons. After masking the brightest point sources our results are consistent with the primary LCDM expectation alone. We estimate t... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18676664 | 0901.4118 | 2009-01-27 | Combining Triggers in HEP Data Analysis | Modern high-energy physics experiments collect data using dedicated complex multi-level trigger systems which perform an online selection of potentially interesting events. In general, this selection suffers from inefficiencies. A further loss of statistics occurs when the rate of accepted events is artificially scaled... | [
"hep-ex",
"physics.data-an",
"physics.ins-det"
] | null | [
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] | [] | [
{
"author_id": "v lendermann_1",
"name": "Victor Lendermann",
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},
{
"author_id": "j haller_1",
"name": "Johannes Haller",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
18863723 | 0901.4346 | 2009-01-27 | The Transit Light Curve Project. XI. Submillimagnitude Photometry of Two Transits of the Bloated Planet WASP-4b | We present photometry of two transits of the giant planet WASP-4b with a photometric precision of 400-800 parts per million and a time sampling of 25-40 seconds. The two midtransit times are determined to within 6 seconds. Together with previously published times, the data are consistent with a constant orbital period,... | [
"astro-ph.EP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17531745 | 0901.4207 | 2009-01-27 | On the fidelity of the core mass functions derived from dust column density data | Aims: We examine the recoverability and completeness limits of the dense core mass functions (CMFs) derived for a molecular cloud using extinction data and a core identification scheme based on two-dimensional thresholding. Methods: We performed simulations where a population of artificial cores was embedded into the v... | [
"astro-ph.GA",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17420592 | 0901.4203 | 2009-01-27 | A mixture of experts model for rank data with applications in election studies | A voting bloc is defined to be a group of voters who have similar voting preferences. The cleavage of the Irish electorate into voting blocs is of interest. Irish elections employ a ``single transferable vote'' electoral system; under this system voters rank some or all of the electoral candidates in order of preferenc... | [
"stat.AP",
"stat.CO"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "12105527",
"num_citations": null
}
] | [
{
"author_id": "i gormley_1",
"name": "Isobel [\"Claire\"] Gormley",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t murphy_2",
"name": "Thomas [\"Brendan\"] Murphy",
"publication_history": null,
"h_index": null... | null |
6014670 | 0901.4275 | 2009-01-27 | Informative Sensing | Compressed sensing is a recent set of mathematical results showing that sparse signals can be exactly reconstructed from a small number of linear measurements. Interestingly, for ideal sparse signals with no measurement noise, random measurements allow perfect reconstruction while measurements based on principal compon... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h chang_27",
"name": "Hyun [\"Sung\"] Chang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "y weiss_2",
"name": "Yair Weiss",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
117356810 | 0901.4364 | 2009-01-27 | Spectroscopic Observations of Lyman-Break Galaxies at Redshift ~ 4, 5 and 6 in the GOODS-South Field | We report on observations of Lyman-break galaxies (LBGs) selected from the Great Observatories Origins Deep Survey at mean redshift z~4, 5 and 6, obtained with FORS2 spectrograph at the ESO-VLT.This program has yielded spectroscopic identifications for 114 galaxies of which 51 are at z~4, 31 at z~5, and 32 at z~6. The ... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
89671 | 0901.4379 | 2009-01-27 | Ergodic Interference Alignment | This paper develops a new communication strategy, ergodic interference alignment, for the K-user interference channel with time-varying fading. At any particular time, each receiver will see a superposition of the transmitted signals plus noise. The standard approach to such a scenario results in each transmitter-recei... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "14296400",
"num_citations": null
},
{
"corpus_id": "2312697",
"num_citations": null
}
] | [
{
"author_id": "b nazer_1",
"name": "Bobak Nazer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m gastpar_1",
"name": "Michael Gastpar",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
117937675 | 0901.4540 | 2009-01-28 | Cosmological Results from Five Years of 30 GHz CMB Intensity Measurements with the Cosmic Background Imager | We present final results on the angular power spectrum of total intensity anisotropies in the CMB from the CBI. Our analysis includes all primordial anisotropy data collected between January 2000 and April 2005, and benefits significantly from an improved maximum likelihood analysis pipeline. It also includes results f... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6718933 | 0901.4392 | 2009-01-28 | Sparse Principal Components Analysis | Principal components analysis (PCA) is a classical method for the reduction of dimensionality of data in the form of n observations (or cases) of a vector with p variables. For a simple model of factor analysis type, it is proved that ordinary PCA can produce a consistent (for n large) estimate of the principal factor ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118387111 | 0901.4500 | 2009-01-28 | Di-jet production in gamma-gamma collisions at LEP2 | The production of two high-p_T jets in the interactions of quasi-real photons in e+e- collisions at sqrt{s_ee} from 189 GeV to 209 GeV is studied with data corresponding to an integrated e+e- luminosity of 550 pb^{-1}. The jets reconstructed by the k_T cluster algorithm are defined within the pseudo-rapidity range -1 <... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j abdallah_1",
"name": "Jalal Abdallah",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p abreu_1",
"name": "Pedro Abreu",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
14939440 | 0901.4444 | 2009-01-28 | Regeneration in Random Combinatorial Structures | Theory of Kingman's partition structures has two culminating points: the general paintbox representation, relating finite partitions to hypothetical infinite populations via a natural sampling procedure, known as Kingman's paintbox; a central example of the theory - the Ewens-Pitman two-parameter family of partitions. ... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119286296 | 0901.4391 | 2009-01-28 | Scalable quantum field simulations of conditioned systems | We demonstrate a technique for performing stochastic simulations of conditional master equations. The method is scalable for many quantum-field problems and therefore allows first-principles simulations of multimode bosonic fields undergoing continuous measurement, such as those controlled by measurement-based feedback... | [
"quant-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m hush_1",
"name": "Michael [\"R.\"] Hush",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a carvalho_8",
"name": "André [\"R.\",\"R.\"] Carvalho",
"publication_history": null,
"h_index": null,
... | null |
14418923 | 0901.4586 | 2009-01-28 | Galoisian obstructions to non-Hamiltonian integrability | We show that the main theorem of Morales--Ramis--Simo about Galoisian obstructions to meromorphic integrability of Hamiltonian systems can be naturally extended to the non-Hamiltonian case. Namely, if a dynamical system is meromorphically integrable in the non-Hamiltonian sense, then the differential Galois groups of t... | [
"math.DS"
] | null | [
"target.key_reference"
] | null | null | null |
5706663 | 0901.4548 | 2009-01-28 | The Navier-Stokes-Voight Model for Image Inpainting | In 2001, Bertalmio et. al. drew an analogy between the image intensity function for the image inpainting problem and the stream function in a two-dimensional (2D) incompressible fluid. An approximate solution to the inpainting problem is obtained by numerically approximating the steady state solution of the 2D NSE vort... | [
"math.NA",
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18812949 | 0901.4461 | 2009-01-28 | A Study of b bbar Production in e+e- Collisions at sqrt(s) = 130-207 GeV | Measurements are presented of R_b, the ratio of the b bbar cross-section to the q qbar cross-section in e+e- collisions, and the forward-backward asymmetry A^b_FB at twelve energy points in the range sqrt(s) = 130-207 GeV. These results are found to be consistent with the Standard Model expectations. The measurements a... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j abdallah_1",
"name": "Jalal Abdallah",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p abreu_1",
"name": "Pedro Abreu",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
15029833 | 0901.4605 | 2009-01-29 | Bayesian projection approaches to variable selection and exploring model uncertainty | A Bayesian approach to variable selection which is based on the expected Kullback-Leibler divergence between the full model and its projection onto a submodel has recently been suggested in the literature. Here we extend this idea by considering projections onto subspaces defined via some form of $L_1$ constraint on th... | [
"stat.ME"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "15816030",
"num_citations": null
}
] | [
{
"author_id": "d nott_1",
"name": "David [\"J.\"] Nott",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c leng_1",
"name": "Chenlei Leng",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
119287387 | 0901.4804 | 2009-01-29 | Improved Dark Energy Constraints from ~100 New CfA Supernova Type Ia Light Curves | We combine the CfA3 supernova Type Ia (SN Ia) sample with samples from the literature to calculate improved constraints on the dark energy equation of state parameter, w. The CfA3 sample is added to the Union set of Kowalski et al. (2008) to form the Constitution set and, combined with a BAO prior, produces 1+w=0.013 +... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12699741 | 0901.4727 | 2009-01-29 | Arrow's Impossibility Theorem Without Unanimity | Arrow's Impossibility Theorem states that any constitution which satisfies Transitivity, Independence of Irrelevant Alternatives (IIA) and Unanimity is a dictatorship. Wilson derived properties of constitutions satisfying Transitivity and IIA for unrestricted domains where ties are allowed. In this paper we consider th... | [
"cs.GT",
"cs.DM"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e mossel_1",
"name": "Elchanan Mossel",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
47428058 | 0901.4761 | 2009-01-29 | A Knowledge Discovery Framework for Learning Task Models from User Interactions in Intelligent Tutoring Systems | Domain experts should provide relevant domain knowledge to an Intelligent Tutoring System (ITS) so that it can guide a learner during problemsolving learning activities. However, for many ill-defined domains, the domain knowledge is hard to define explicitly. In previous works, we showed how sequential pattern mining c... | [
"cs.AI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p fournier-viger_1",
"name": "Philippe Fournier-Viger",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r nkambou_1",
"name": "Roger Nkambou",
"publication_history": null,
"h_index": null,
"num... | null |
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